ارزیابی اثر مقادیر مختلف اصلاح کننده های طبیعی و مصنوعی خاک بر عملکرد بیولوژیک و عملکرد دانه گندم

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد آبیاری و زهکشی دانشگاه علوم کشاورزی و منابع طبیعی ساری

2 گروه مهندسی آب، دانشکده مهندسی زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری

3 استادیار گروه مهندسی آب دانشگاه علوم کشاورزی و منابع طبیعی ساری

4 استادیار گروه مهندسی آب مرکز آموزش عالی کاشمر

چکیده

به‌منظور ارزیابی اثر مقادیر مختلف مواد اصلاح­کننده طبیعی و مصنوعی خاک بر عملکرد بیولوژیک و عملکرد دانه گندم، آزمایشی در مزرعه تحقیقاتی مرکز آموزش عالی کاشمر اجرا شد. در این پژوهش تیمار­های آزمایشی شامل چهار مقدار هیدروژل A200؛ صفر (S0)، 1 (S1)، 2 (S2) و 3 (S3) گرم در کیلوگرم خاک، چهار مقدار ورمی­کمپوست؛ صفر (V0)، 2 (V1)، 3 (V2) و 4 (V3) گرم در کیلوگرم خاک و سه میزان آبیاری؛ 40 (W1)، 20 (W2) و صفر (W3) درصد نقصان رطوبتی بودند. آزمایش به­صورت فاکتوریل در قالب طرح بلوک­های کامل تصادفی و به صورت گلدانی در تعداد 144 عدد گلدان اجرا شد. نتایج نشان داد که بیش­ترین میزان زیست­توده و عملکرد دانه در تیمار S3V3W3 به ترتیب به میزان 7/81 و 35 گرم در گلدان و کم­ترین میزان زیست‌توده و عملکرد دانه نیز در تیمار S0V0W1 به ترتیب به میزان 35 و 2/10 گرم در گلدان به دست آمد. کاربرد هیدروژل A200 و ورمی­کمپوست به ترتیب باعث افزایش 88/31 و 5/18 درصدی عملکرد بیولوژیک و 5/23 و 25/20 درصدی عملکرد دانه گندم شده است. تحت شرایط این آزمایش، اثر متقابل هیدروژل A200 و ورمی­کمپوست بر عملکرد دانه معنی­دار نشد. اثر هیدروژل A200 و ورمی­کمپوست بر روی عملکرد دانه معنی‌دار شد به طوری که بیش­ترین مقدار عملکرد دانه مربوط به تیمار 2 گرم در کیلوگرم خاک هیدروژل A200 و 3 گرم در کیلوگرم خاک ورمی­کمپوست و بیش­ترین مقدار عملکرد بیولوژیک مربوط به تیمار 3 گرم در کیلوگرم خاک هیدروژل A200 و 4 گرم در کیلوگرم خاک ورمی­کمپوست بدست آمد. کاربرد جداگانه هیدروژل A200 و ورمی­کمپوست برای رسیدن به حداکثر میزان عملکرد بیولوژیک و عملکرد دانه قابل توصیه است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluation of the Effect of Different Amounts of Natural and Artificial Soil Modifiers on Biological Yield and Grain Yield of Wheat

نویسندگان [English]

  • Sajad Azimi 1
  • Mojtab Khoshravesh 2
  • Abdullah Darzi Naftchali 3
  • Meysam Abedinpour 4
1 MSc student of Irrigation and Drainage. Sari Agricultural Sciences and Natural Resources University
2 Dept. of Water Eng., Faculty of Agricultural Eng., Sari Agricultural Sciences and Natural Resources University
3 Assistant Professor. Department of Water Engineering. Sari Agricultural Sciences and Natural Resources University
4 Assistant Professor. Department of Water Engineering. Kashmar high education institute
چکیده [English]

In order to evaluate the effect of different amounts of natural and artificial soil modifiers on biological yield and grain yield of wheat, an experiment was conducted at the research farm of Kashmar high education institute. In this research, experimental treatments were included: four levels of A200 hydrogel (0(V0), 1(V1), 2 (V2) and 3 (V3) grams per kilogram of soil), four levels of vermicompost (0(V0), 2 (V1), 3 (V2) and 4 (V3) grams per kilogram of soil) and three levels of irrigation (40 (W1), 20 (W2) and 0 (W3) percentage of moisture loss). The experiment was carried out in a randomized completely block design in a factorial arrangement in a pot experiment in 144 pots. The results showed that the highest amount of biomass and grain yield in S3V3W3 treatment were 81.7 and 35 gram in the pot respectively, and the lowest biomass and grain yield were in S0V0W1 treatment of 35 and 10.2 gram in the pot respectively obtained. Application of A200 hydrogel and vermicompost had increased biological yield by 31.88% and 18.5% and grain yield by 23.5% and 20.25%, respectively. Under the conditions of this experiment, the interaction effect of A200 hydrogel and vermicompost compounds was not significant. The effect of A200 hydrogel and vermicompost on the grain yield was significant, as the highest value of grain yield was obtained in the treatment of 2 g/kg A200 hydrogel and 3 g/kg vermicompost and the highest value of biological yield was obtained in the treatment of 3 g/kg A200 hydrogel and 4 g/kg vermicompost. Separately use of A200 hydrogel and vermicompost is recommended for achieving maximum biological yield and grian yield.

کلیدواژه‌ها [English]

  • water stress
  • Wheat
  • Yield
  • A200 Hydrogel
  • vermicompost
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